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I've had this problem off and on for a few years
Sorry if this has already been answered in the past...
When my 1975 2002 is warm and has been driving for a while, it stalls at intersections and traffic unless I keep the rpms up manually by foot. My hoses appear to be in good shape and connected. So, what's the next likely suspect?

Your theory makes sense.
I used to monkey around on an old motorcycle so Im familiar with the concept of a choke.
Although not familiar enough to know what one looks like on my own car.

Apparently I have a Redline Weber carburetor
I am stumped about the choke though
Where would I look?
What's it look like?

Snooping around I see a few open "holes" that have nothing going in or out of them.
They've been like that for a few decades now (this is my family's car I've come to inherit)
I took a picture of one, do you think its from the original carb?